Home / 8,821.00-13,219.14-6,628.33

Finding the Fourth Proportional to 8,821.00, 13,219.14 and 6,628.33

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Solution

The fourth proportional to 8,821.00, 13,219.14 and 6,628.33 is: 9,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.00 : 13,219.14 = 6,628.33 : x
  2. Step 2: Convert to fraction form
    8,821.00/13,219.14 = 6,628.33/x
  3. Step 3: Cross multiply
    8,821.00x = 13,219.14 × 6,628.33
  4. Step 4: Simplify right side
    8,821.00x = 87,620,756.14
  5. Step 5: Solve for x
    x = 87,620,756.14/8,821.00
  6. Step 6: Final answer
    x = 9,933.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.